138041751 has 8 divisors (see below), whose sum is σ = 194882544. Its totient is φ = 86614400.

The previous prime is 138041749. The next prime is 138041753. The reversal of 138041751 is 157140831.

138041751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138041749) and next prime (138041753).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138041751 - 2¹ = 138041749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138041753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353300 + ... + 1353401.

It is an arithmetic number, because the mean of its divisors is an integer number (24360318).

Almost surely, 2^138041751 is an apocalyptic number.

138041751 is a deficient number, since it is larger than the sum of its proper divisors (56840793).

138041751 is a wasteful number, since it uses less digits than its factorization.

138041751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706721.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 138041751 is about 11749.1170306538. The cubic root of 138041751 is about 516.8170346009.

The spelling of 138041751 in words is "one hundred thirty-eight million, forty-one thousand, seven hundred fifty-one".